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Information Security Analyst Sr Adv/Information Systems Security Officer (TS/SCI with Poly Required)

GCI
VA, VA Full Time
POSTED ON 5/15/2026
AVAILABLE BEFORE 7/15/2026

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leveraging the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

 

At GCI, we solve the hard problems. As an Information Security Analyst performing as an Information Systems Security Officer (ISSO), a typical day will include the following duties:

 

  • Performs audit log analysis, report generation and brief findings to Senior Management.
  • In coordination with Senior Management, develops information system security policies, CONOPS, guides, etc.
  • Coordinates security investigations of all suspected computer security violations, incidents, and compromises in accordance with GCI’s incident response program.
  • Responsible for Information Assurance (IA) processes, procedures, and compliance for all assigned Information Systems (IS).
  • Conducts security audits and ensures that audit trails are reviewed and audit records archived in accordance with GCI and Customer security requirements.
  • Ensures IS are operated, used, maintained and disposed of appropriately in accordance with GCI and/or Customer security procedures, directives, guidelines, regulations, and policies.
  • Develops and maintains system security documentation such as Security Plans, Security Operating Procedures, CONOPS, required policies and documentation to support system compliance for assigned security frameworks (e.g. NIST RMF/CSF, NISPOM, ICD Publications, CUI, CMMS) in coordination with the IAM (Information Assurance Manager) and Information System Security Manager (ISSM).
  • Conducts periodic reviews, self-inspections, and/or assessments to ensure IS(s) meet Senior Management and customer security requirements as well as during A&A activities.
  • Conducts user training and awareness activities under the direction of the company IAM, ISSM, or Customer Security.
  • Participate in self-assessment of system safeguards and program elements and in assessment and authorization of the system.
  • Ensures Configuration Management (CM) documentation for IS software and hardware is maintained.
  • Serves as member of the Configuration Management Board for system(s) for which they are responsible.
  • Coordinates/obtains approval from senior management and/or Customer Security representatives for the procurement of software, hardware, and firmware for use on assigned IS(s).
  • Possess a working knowledge of industry best practices for Information Assurance as well as applicable information security documents such as ICD 503, Risk Management Framework (RMF), NISPOM, and NIST.
  • Candidate must be a self-starter that is mission focused and able to work in a dynamic work environment with a diverse set of personalities.
  • Strong documentation, analysis, and oral/written communications skills.

 

Required: Security CE Certification

5 or more years of experience across System Administration or Network Administration/Engineering with at least 3 years supporting IA/INFOSEC

 

Desired:

  • CISSP Certification
  • Network Certification
  • IT Certifications from Microsoft, Linux, and/or Cisco
  • One or more of the following certifications:
  • ISC2-SSP (System Security Certified Practitioner)
  • ISC2-CRGC (Governance, Risk and Compliance Certification)
  • ISC2-ISSMP (Information Systems Security Management Professional)
  • 5 or more years of IA experience

 

Qualifications:

Education: Bachelors or higher preferred.

 

Experience:

Required 5 years: Experience across System Administration or Network Administration/Engineering with at least 3 years supporting IA/INFOSEC

Location: Reston, VA

*A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. 

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Salary : $53 - $89

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